In Flemings Left hand rule what does the thumb point in the direction of?

• The direction of the magnetic field
• The direction of the current
• The direction of the force (movement)
• None of these

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The current in the green wire flows from the left to the right. What direction does the wire move?

• Up 
• Down
• Into the page
• Out of the page

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

The strength of the magnetic field produced by a flowing current in a wire is affected by:

• The size of the Current
• The distance from the wire
• The number of coils of wire
• All 3

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What should the blanks be?
When a wire carrying an electric current is placed in a ________________, it may experience a force. The field from the fixed magnet ___________ with the field due to the current. This can cause the wire to be attracted or repelled from the fixed magnet you will see the effect of the attraction/repulsion in  the ___________of the wire.

• magnetic field, interacts, movement
• electric field, interacts, movement
• magnetic field, interacts, vibration
• circuit, interacts, movement

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right

Tags

NGSS.HS-PS3-5

Magnets have a north and a south ___________

• shape
• color
• pole
• region

Tags

NGSS.3-PS2-3

Which of the following is true about a bar magnet?

• Its magnetic field is strongest near its center.
• It is surrounded by a magnetic field.
• The north pole is stronger than the south pole.
• The south pole is stronger than the north pole.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How is an electromagnet different from a permanent magnet?

• An electromagnet is smaller and less powerful.
• An electromagnet's magnetism can be turned off.
• An electromagnet can be built without using metal.
• An electromagnet does not attract objects containing iron.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In Flemings Left Hand Rule, in what direction does the second (middle) finger point? (The first finger is the one by your thumb

• The direction of movement
• The direction of the magnetic field
• The direction of electrical current
• The direction of electron flow

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A __________ is an electrical device that converts AC electricity from one voltage level to another

• transformer

• primary coil

• secondary coil

• center tap

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3